/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/Stack/INiagaraStackItemGroupAddUtilities.h
Executes the specified add action.
void ExecuteAddAction ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [INiagaraStackItemGroupAddAction](API\Plugins\NiagaraEditor\ViewModels\Stack\INiagaraStackItemGroupAddAction) > AddAction, int32 TargetIndex )